Richard E. Engler, Ph.D., and Todd J. Stedeford, Ph.D., DABT® , ERT, ATS, “What are the key elements and likely impact of the EPA’s proposed rule for methylene chloride?,” Chemical Watch, June 21, 2023.

On 20 April the US EPA announced a proposed rule under section 6(a) of the Toxic Substances Control Act (TSCA) that would prohibit most uses of methylene chloride and require a workplace chemical protection program (WCPP) for non-prohibited uses. This article will outline the key elements of the EPA’s proposal and discuss the likely impact on industry. This article also looks at what this portends for the agency’s future rulemaking activities on chemical substances undergoing risk evaluation.